UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '97zcWAfi6FI8z2DV7tyjZmxjENDXNpzzW2Zkal2x4xI=' 
WHERE 
  key_id = '39426520e3cbe91ed5d04b93f926ad88290c4c5835a106422202bbef34cd7d1b' 
  AND (
    token = '97zcWAfi6FI8z2DV7tyjZmxjENDXNpzzW2Zkal2x4xI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )